how to connect 4 wire RTD (PT100) in wheatStone Bridge?
how to connect 4 wire RTD (PT100) in wheatStone Bridge?
(OP)
i want to connect a 4 wire RTD PT100 in a wheatStone Bridge.
i tried searching on internet but only upto 3 wire configurations in bridge are available or circuits using other ADS IC's are available. but i want to do it in a Bridge Configuration. can any one suggest how i can do it?
i tried searching on internet but only upto 3 wire configurations in bridge are available or circuits using other ADS IC's are available. but i want to do it in a Bridge Configuration. can any one suggest how i can do it?





RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
you treat it as a two-wire device
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
what about the other 2 leads??
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
on wiki one diagram they have given, have a look at it.
can you please explain me that?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
As I said, a 4- wire RTD is its own bridge circuit, and you don't place one bridge inside another.
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
which ADS IC will be good for this one? which ADS ICs which is low in cost bt cant take input from these 4 RTDs ?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
can you explain me this circuit?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
LM34
Keith Cress
kcress - http://www.flaminsystems.com
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
Bill
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Jimmy Carter
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
Keith Cress
kcress - http://www.flaminsystems.com
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
is it possible to do that or no?
and what about the kelvin configuration show in the below image ?
i want to take input from 4 4-wire RTD's and then give it to a ADC and then to a MicroController.
but all of this i have to do using WheatStone bridge. So i want a way to do so.
please suggest me.
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
if yes then how to go about it?
if not wheatStone bridge then is it possible with any other bridge? please help
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
4-wire connection is for use with a Kelvin connection. 3-wire is used for a bridge with one varying element.
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
the ckt is this :
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
Did you not read the Wikipedia article you quoted? You solve the loop equations for wherever you put the RTD.
TTFN

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RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
m asking about the position of the RTD in this Configuration. not the wiki one.
see below link
where is the location of the 4 wire RTD?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
You again show a bridge, so again, you put it in and solve the equations. And again, you can only use two leads for the circuit you show.
TTFN

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Need help writing a question or understanding a reply? forum1529: Translation Assistance for Engineers
RE: how to connect 4 wire RTD (PT100) in wheatStone Bridge?
What class IS this for?
Keith Cress
kcress - http://www.flaminsystems.com